Ask The Plant Expert: Should I feed my peace lily plant from the top or bottom? - Cheryl Flower Shop Network Plant Expert Reply: When fertilizing any plants, you want the fertilizer to go through the soil where the roots are located. I find that water soluble fertilizers used when watering work better than leaving it in a saucer and letting the roots soak it up. Hope this information was helpful. Share this:Click to print (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on LinkedIn (Opens in new window) Caring For Peace Lily Wilting Peace Lily – Am I A Killer? Happy Home For Peace Lily Something Is Munching On My Peace Lilies Brown Tipped Spathiphyllum